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Current results range from 1993 to 2012
Current results range from 1992 to 2012
- Bryophytes -- Ecology -- Oregon2
- Agriculture -- Study and teaching (Elementary)1
- Camp sites, facilities, etc. -- Environmental aspects -- California -- Yosemite National Park1
- Ceanothus -- Effect of fires on -- Oregon -- Applegate River Watershed1
- Ceanothus -- Effect of grazing on -- Oregon -- Applegate River Watershed1
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